10
This method is used to protect boilers from condensate
C.
forming as well as protecting the heating system from
high water temperatures, see
figure #8
.
NOtE #1: When using bypass piping, adjust
valves a and B until desired system temperature
is obtained.
NOtE #2: Bypass loop must be same size piping
as the supply and return piping.
Installation using circulators is shown in
7.
figure #9
.
Installation using zone valves is shown in
8.
figure #10
.
For further piping information refer to the I=B=R Installa
-
9.
tion and Piping Guide.
cONNEctiNG SUPPLY & REtURN PiPiNG
CIRCULATOR
VALVE
EXPANSION
TANK
VALVE
RETURN
SUPPLY
12"
MAX.
CIRCULATOR
FLOW
VALVE
SYSTEM
TEMPERATURE
GAUGE
"B"
"A"
SYSTEM
PRIMARY
6"
FEED
WATER
PRiMaRY sEConDaRY PiPinG wiTh BYPass
Figure #8
